Battle of Lake Trasimene (217 BC) — the same event in Livy, History of Rome and Polybius
Livy, History of Rome: The soldiers, mingled together by chance, took whatever place courage led them to, in front or behind, and threw themselves…
What each source says
The soldiers, mingled together by chance, took whatever place courage led them to, in front or behind, and threw themselves into the fight
Location: 22.5
Battle of Lake Trasimene (22 June) — the Roman army is annihilated
Location: 3.84
Show on the map — open Livy, History of Rome (Ab Urbe Condita)